Page 203 - TB_6B

1. a. 1 47 147 1. a. 3 2 6
74 174
6 23
17 417 There are 3 ways.

4 b . 5 4 20

71 471 20 2 10
There are 10 ways.
14 714
2 . a . 5 4 3 60
7
There are 60 possible outcomes.
41 741 The selection is a permutation.

6 b . 5 4 3 60

J, T, R , J, R, T , T, J, R , T, R, J ,
R, J, T , and R, T, J are the same.
So, 60 6 10
There are 10 possible outcomes.
The selection is a combination.

3, 2, 1, 6, 6

b. 3 2 6 Unit 31. Which Team Will Win?

There are 6 possible ways to get the 1st and P. 138~139
2nd runners. Have students write their opinions of which
team they think will win. What are their
c . 4 3 2 24 reasons?
School A won 10 times, and school B won
Twenty four 3-digit numbers can be made. 5 times.
10 2
Activity 4 P. 136~137 51
School A has a higher chance of winning.
Thomas, Kate
Ricky, Ann
Ricky, Kate
Ann, Kate

Activity 1 P. 140~141

1. b. 1 c. 1
4 2

2. a. 1 b. 1
6 6
There are 6 possible ways.
2 2
3. a. 5 b. 5

192